Finding the Fourth Proportional to 126,222.96, 188,300.76 and 122,790.99
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Solution
The fourth proportional to 126,222.96, 188,300.76 and 122,790.99 is: 183,180.91
Step by Step Solution
- Step 1: Write the proportion equation
126,222.96 : 188,300.76 = 122,790.99 : x - Step 2: Convert to fraction form
126,222.96/188,300.76 = 122,790.99/x - Step 3: Cross multiply
126,222.96x = 188,300.76 × 122,790.99 - Step 4: Simplify right side
126,222.96x = 23,121,636,738.15 - Step 5: Solve for x
x = 23,121,636,738.15/126,222.96 - Step 6: Final answer
x = 183,180.91
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.